Features and Benefits:•Lubrication drive fitting for use with industrial machines and heavy equipment•Serrated shank for secure installation in an untapped 3/16" hole•Zinc-plated steel for strength, durability, and resistance to corrosion•RoHS compliant for hazardous substance regulationsThe product is Drive Fitting, For 3/16" Drill, Straight. The product is manufactured by Alemite LLC and made in United States.